Daikin VRVWII RWEYQ10MY1, Operation Manual, Page: 8 / 20

3 English
2. WHAT TO DO BEFORE OPERA-
TION
This operation manual is for the following system
with standard control. Before initiating operation,
contact your Daikin dealer for the operation that cor-
responds to your system type and mark.
If your installation has a customized control system,
ask your Daikin dealer for the operation that corre-
sponds to your system.
Outside units (Refer to figure 1)
• Heat pump system
• Switchover to cooling or heating operation is
performed for each outside unit.
• This is a system to perform air-conditioning by
exchanging the heat with chilled water or
warmed water being sent from a boiler or solar
system, etc. through a <outside unit> which cor-
responds to the conventional outdoor unit.
• Heat recovery system
• Switchover to cooling or heating operation is
performed for each BS unit.
• This is a system to perform air-conditioning by
exchanging the heat with chilled water or
warmed water being sent from a boiler or solar
system, etc. through a <outside unit> which cor-
responds to the conventional outdoor unit.
• Names and functions of parts (Refer to figure 1)
1. Closed cooling tower
2. Boiler
3. Outside unit
4. Indoor unit
5. BS unit (For cool/heat changeover)
3. REMOTE CONTROLLER AND
COOL/HEAT SELECTOR: NAME
AND FUNCTION OF EACH
SWITCH AND DISPLAY
(Refer to figure 2 and 3)
COOL/HEAT SELECTOR is used to switch between
cooling and heating for each outside unit or BS unit.
1. On/off button
Press the button and the system will start. Press
the button again and the system will stop.
2. Operation lamp (red)
The lamp lights up during operation.
3. Display “ ” (changeover under control)
It is impossible to changeover heat/cool with the
remote controller which display this icon.
4. Display “ ” (air flow flap)
Refer to the chapter “Operation procedure -
Adjusting the air flow direction”.
5. Display “ ” (ventilation/air cleaning)
This display shows that the total heat exchanger
unit (Heat Reclaim Ventilation) are in operation.
(these are optional accessories)
6. Display “ ” (set temperature)
This display shows the temperature you have
set.
7. Display “ ” “ ” “ ” “ ” “ ” (operation
mode)
This display shows the current operation mode.
8. Display “ ” (programmed time)
This display shows the programmed time of the
system start or stop.
9. Display “ ” (inspection/test operation)
When the inspection/test operation button is
pressed, the display shows the mode in which
the system actually is. (For servicing only)
10. Display “ ” (under centralized control)
When this display shows, the system is under
centralized control. (This is not a standard spec-
ification.)
11. Display “ ” (fan speed)
This display shows the fan speed you have
selected.
12. Display “ ” (time to clean air filter)
Refer to the operation manual of indoor unit.
13. Display “ ” (defrost/hot start)
Refer to the chapter “Operation procedure -
Explanation of heating operation.”
14. Timer mode start/stop button
Refer to the chapter “Operation procedure -
Programming start and stop of the system with
timer.”
15. Timer on/off button
Refer to the chapter “Operation procedure -
Programming start and stop of the system with
timer.”
16. Inspection/test operation button
This button is only used by qualified service
persons for maintenance purposes.
Cool/Heat selector Operation modes
Inverter series
❏
Heat pump system
❏
yes
❏
no
❏
Heat recovery system
❏
yes
❏
no
C
TEST
01_EN_3P153897-1.fm Page 3 Wednesday, March 2, 2005 3:32 PM